1375 results about "Round bar" patented technology

The invention relates to the technical field of cables, and discloses a multi-layer composite wrapped high-temperature-resistant anti-aging cable which sequentially comprises a conductor, an insulating cable core, a shielding layer, an outer insulating layer, a fireproof layer, a heat insulation layer, a buffer cushion layer, an armor layer, an anti-aging layer and an outer sheath layer from inside to outside. The fireproof layer is formed by alternately laminating synthetic mica tapes and ceramic boron silicone rubber tapes, a reliable fireproof barrier is formed, and the heat insulation layer is arranged to achieve efficient heat insulation and stable structure through cooperation of gradient pore nano aerogel, ceramic silicone rubber round rods and phase change capsules. The buffering cushion layer is combined with the composite layer, the aluminum oxide hollow ball array and the composite capsule, so that the mechanical buffering and auxiliary heat insulation functions are achieved; the armor layer is woven by stainless steel fibers, the mechanical protection capability is improved, and the anti-aging layer is of a double-layer structure composed of montmorillonite composite fluororubber and an anti-oxidation layer, so that thermal oxidation aging is delayed.

The application belongs to the technical field of round bar bending and cutting device, in particular to a bending and cutting equipment for stainless steel round bar processing, which comprises a conveying and processing assembly, an upper resisting component, a bending assembly, a conveying limiting block and a base plate, an adjustable auxiliary assembly is installed on one side of the conveying limiting block, the adjustable auxiliary assembly comprises a fixed plate fixedly installed above the base plate and a movable plate movably installed above the base plate, the lower inclined plate pushes the movable resisting block through the driving of the telescopic piece, that is, the two movable resisting blocks position the round bar inside the movable resisting block through the arc-shaped blocks, the round bar and the workpiece connection are cut off as the cutting knife continues to descend along with the top plate, after the cutting work is completed, the telescopic piece is driven to make the top plate ascend, the movable plate moves away from the fixed plate to expand the distance between them, the movable polishing assembly is used to make the polishing structure enter the distance between the fixed plate and the movable plate, and the cut surface of the round bar and the workpiece is polished.

The invention relates to the technical field of material metallurgy, and discloses high-wear-resistance hot-rolled round steel for titanium-containing steel balls and a preparation method thereof.The round steel comprises 0.60%-0.67% of C, 1.40%-1.60% of Si, 0.70%-0.90% of Mn, smaller than or equal to 0.020% of P, smaller than or equal to 0.015% of S, 0.70%-0.90% of Cr, 0.10%-0.15% of Ti, smaller than or equal to 0.30% of Ni, smaller than or equal to 0.40% of Cu, smaller than or equal to 0.05% of Al, smaller than or equal to 0.0020% of O, smaller than or equal to 0.0002% of H and smaller than or equal to 0.0035% of N; and the balance of Fe and inevitable impurities. Through the high-titanium-low-nitrogen microalloying design, the technical contradiction that the toughness is remarkably reduced when the strength and the hardness of traditional high-carbon steel ball steel are improved is solved, and excellent synergistic improvement of the strength, the hardness and the toughness is achieved.

The invention relates to the technical field of forge piece forming, in particular to a deep-cavity thin-wall support forge piece, a forging die and a forming method.The deep-cavity thin-wall support forge piece is characterized in that a heated round bar is subjected to roll forging to obtain a preformed blank, and oxide skin of the blank obtained after roll forging is removed; putting the prefabricated blank into a pre-forging cavity of a forming die, and performing pre-forging forming; after pre-forging is finished, the pre-forged piece is transferred into a precision forging cavity of the same forming die to be subjected to precision forging forming, and a bilaterally symmetrical precision forging piece is obtained; putting the bilaterally symmetrical precision forgings into a slicing die frame for trimming, and cutting off flashes; cutting the bilaterally symmetrical precision forgings subjected to cold shaping from the shunting bin through a cutting device, and separating the bilaterally symmetrical precision forgings into two independent single forgings; forming defects are eliminated, and the forging yield is improved to the level of stable mass production; the thickness tolerance of the functional surface of the product is ensured, the spot welding current stability and the welding strength are ensured, the assembly requirement is met, and the dependence on subsequent machining is reduced; the material cost is reduced and the mold life is prolonged.

The invention provides a seamless steel pipe for a hollow anchor rod and a strength regulation and control method thereof. Alloy steel round steel is heated and then subjected to hot piercing to be manufactured into a hollow pipe blank; the hollow pipe blank is subjected to spheroidizing annealing treatment and then cooled, and a first treated steel pipe is obtained; wherein the ferrite grain size D1 of the first treated steel pipe is calculated according to a spheroidizing annealing grain size model; the first treated steel pipe is subjected to cold finish rolling forming and cleaned to obtain a second treated steel pipe; the ferrite effective grain size Ddef of the second treatment steel pipe is calculated according to the cold deformation grain refinement model; recrystallizing and annealing the second treated steel pipe to obtain the seamless steel pipe; the ferrite grain size D2 of the seamless steel pipe is calculated according to the recrystallization grain evolution model; the yield strength Rp0.2 of the seamless steel pipe is calculated according to a strength model; reverse design of the yield strength of the seamless steel pipe is achieved, and meanwhile it is guaranteed that the seamless steel pipe has good plasticity.

The invention belongs to the technical field of stainless steel round bar machining, and particularly relates to a bending and cutting device for stainless steel round bar machining, which comprises a machine body, a conveying pipe is fixedly connected to the upper surface of the machine body, the conveying pipe is used for conveying stainless steel round bars, a fixing table is further fixedly connected to the upper surface of the machine body, and a fixing plate is fixedly connected to the upper surface of the fixing table. A first hydraulic cylinder is fixedly connected to the upper surface of the fixing plate, a cut-off tool is arranged at the output end of the first hydraulic cylinder, a positioning disc is fixedly connected to the upper surface of the machine body, two rotating blocks are rotationally connected to the upper surface of the positioning disc, and a processing assembly is arranged on the upper surface of the machine body. The processing assembly comprises a first guide rail arranged on the upper surface of the machine body, two first guide plates are slidably connected into the first guide rail, a fixing frame is fixedly connected to the end of one of the first guide plates, a driving part is arranged in the fixing frame, and by arranging the processing assembly, the problem that burrs on the arc surface of the end of the stainless steel round bar are not cleaned is solved.

The application provides a rotating ultrasonic detection method for defects in the near surface area of a round bar, and relates to the technical field of material detection. The rotating ultrasonic detection method for defects in the near surface area of a round bar comprises the following steps: selecting a round bar with the same specification as the round bar to be detected as a sample bar, and setting a surface groove and a near-surface transverse hole on the sample bar; emitting ultrasonic waves from an ultrasonic probe to the sample bar to obtain ultrasonic signals corresponding to the surface groove and the near-surface transverse hole; adjusting the parameters of the ultrasonic probe according to the ultrasonic signals, and setting the parameters corresponding to the condition that the amplitudes of the ultrasonic signals corresponding to the surface groove and the near-surface transverse hole are consistent; making the ultrasonic probe scan the round bar to be detected with the set parameters; obtaining the set parameters of the ultrasonic probe corresponding to the condition that the amplitudes of the ultrasonic signals corresponding to the surface groove and the near-surface transverse hole are consistent, so that good scanning signals can be obtained for the surface groove damage and the near-surface transverse hole at the same time during the detection and verification of the near-surface area of the sample bar, the detection reliability is improved, the operation is simple, the success rate is high, and therefore the work efficiency is improved.

The invention discloses a round bar processing equipment multi-parameter cooperative control method based on artificial intelligence, and particularly relates to the field of round bar processing equipment control, which comprises the steps of data acquisition, data processing, data analysis and result judgment. According to data acquisition, a force sensor, a temperature sensor, a displacement sensor and a vibration sensor of specific models are deployed, data are acquired according to different set frequencies of a high-speed cutting process and a common cutting process, abnormal values of the acquired data are eliminated according to the Pauta criterion in data processing, and Kalman filtering denoising and normalization operation are performed. And in the data analysis step, processed data are substituted into a turning and milling cutting force model, an improved Archard tool wear model and a multiple regression machining precision model to be solved, and according to result judgment, the machining quality is evaluated according to a solving result comparison standard, and the equipment state is judged in combination with a threshold value. According to the method, multi-parameter collaborative optimization is realized, the processing quality stability and efficiency are improved, the dependence on artificial experience is reduced, and the downtime is shortened.

The invention relates to the field of materials and processes for automobile parts, in particular to a homogenization evaluation method for hardenability of Ti-containing carburizing steel and application. According to different specifications and different looseness and segregation levels of the round steel, sampling regulation is carried out on the center part and the center part of the section of the Ti-containing carburizing steel round steel, and the hardenability and the hardenability bandwidth of the carburizing steel can be more truly reflected. When the hardness of the tail end hardenability sample is detected, two surfaces equidistant from the circle center of the section of the round steel are detected, a telecentric surface far away from the circle center of the section of the round steel and a proximal surface close to the circle center of the section of the round steel are detected, and compared with the current national standard, the detection result is more scientific and accurate. The method can be applied to almost all carburized steel bars with large component fluctuation, the uniformity is truly reflected, technicians can select raw materials with proper hardenability bandwidth to be applied to shaft gear parts with different size characteristics and using performance requirements, and the application prospect is very wide.

The utility model relates to the technical field of ginned cotton cleaning, in particular to a ginned cotton cleaning and impurity removing knife. The ginned cotton cleaning and impurity removing knife comprises a licker-in installed in the ginned cotton cleaning machine body, and a knife rest penetrating through one side of the ginned cotton cleaning machine body is arranged on one side of the licker-in. A cutter body is mounted in the cutter rest; a limiting rod is installed at the top of the tool rest and used for limiting vertical movement of the tool body, a fixing mechanism is installed between the tool rest and the lint cleaning machine body, and the tool rest is fixed in the lint cleaning machine body through the fixing mechanism. According to the ginned cotton cleaning and impurity removing cutter, through matching of the round rod and the round hole and sliding connection of the plug pin, the mounting and dismounting process of the cutter rest becomes very simple and rapid, the operation difficulty is reduced, the cutter rest can be conveniently cleaned and maintained regularly through the design, the service life of equipment is prolonged, and the working efficiency is improved. And meanwhile, the extra maintenance cost caused by difficult disassembly is reduced.

The utility model provides a continuous rolling hole pattern system for rolling square billets into round bars, which comprises six hole patterns, namely four square hole patterns, one elliptical hole pattern and one round hole pattern in sequence, the groove bottom of the third square hole pattern is an arc, and the groove bottom of the fourth square hole pattern is an arc. According to the pass system, flat-bottom grooves of the third frame of square pass and the fourth frame of square pass are changed into protruding arc-shaped groove bottoms, the rolling reduction of the center area of a square billet is increased, the phenomenon that a rolled piece is twisted in the rolling process due to factors such as incoming material size fluctuation and rolling mill stand jumping is avoided, and the rolling stability is improved.

The utility model discloses an airing drying device for processing tea leaves relates to airing drying technical field, including base, the outer top surface of base is rotatoryly installed with round bar, the outer peripheral side wall of round bar is equal interval from top to bottom and is equipped with a plurality of sliding blocks, the left and right ends of a plurality of sliding blocks are equipped with the support, the outer top surface of a plurality of support all is equipped with airing net frame, the left and right ends of a plurality of sliding blocks all are provided with the adjusting assembly for driving airing net frame and carry out angle horizontal rotation, the outer top surface of a plurality of airing net frame all is provided with the turning over subassembly for turning over tea leaf. The utility model discloses through the cooperation of the straight board, round hole no.

This invention belongs to the field of iron and steel smelting technology, and particularly relates to a protective device and manufacturing method for a converter movable fume hood lifting lug. It includes lifting lugs and a movable fume hood. The lifting lugs are welded to the movable fume hood. A protective cover with an internal interlayer, matching the outer contour of the lifting lug, is hung on the outside of the lifting lug. The two sides of the interlayer of the protective cover are connected by ribs. Several V-shaped anchoring nails are welded to the interlayer wall of the protective cover. Refractory grout is filled into the interlayer of the protective cover. Asbestos is laid between the protective cover and the lifting lug. One end of the protective cover is welded to the movable fume hood. Several round rod hanging lugs are welded to both sides of the protective cover, and the upper ends of the round rod hanging lugs are hung on the lifting lugs. This invention isolates the lifting lug from the heat source through the protective cover, preventing the lifting lug from being burned. While the protective cover is fixed to the lifting lug and the movable fume hood, it reduces the contact area, thereby reducing heat transfer.

The utility model relates to the technical field of rough rolling mill, and disclose a rough rolling mill, include: base, heating mechanism, rough rolling mechanism and finishing mechanism, heating mechanism, rough rolling mechanism, finishing mechanism are assembled in the upper end of base respectively, the top of base is assembled with cooling roll, the outside of cooling roll is evenly provided with water outlet groove, the front of cooling roll is assembled with servo motor, and the other end of cooling roll is inserted with the short pipe, the outside of short pipe and servo motor is all bushed with bearing, and the ground of bearing is connected with base through pedestal. The rough rolling mill, the outside of big specification round bar is evenly sprayed water source, thereby realizes the even cooling to big specification round bar, reduces the outside temperature difference of big specification round bar, thereby improves the processing effect to big specification round bar, and simultaneously through the water storage module of adding, the water source produced by the device cooling big specification round bar is recycled, and then realizes the recycling of cooling water, reduces the waste of water resources.

The utility model discloses a kind of petroleum chemical oil-water mixture sampling separation devices, it is related to oil-water separation technical field, including machine body, the inside of machine body is separately provided with filter chamber and separation chamber, and filter chamber and separation chamber are mutually through, the inside of the filter chamber is equipped with filter screen, cleaning assembly is provided in the top of filter screen, the right side outer wall of machine body is fixed with oil tank, the inside of oil tank is provided with oil scraping assembly.The utility model is driven hollow connecting plate with scraper to move circumferentially on filter screen by being set as power source and the auxiliary of round bar, bevel gear one, bevel gear two, hollow rotating rod, to remove impurities on the outer surface of filter screen, prevent from happening block, reach the effect that it is convenient to clean, to improve practicality.

The invention belongs to the technical field of metal tensile testing, and particularly relates to metal material tensile strength detection equipment which comprises a base and a rack arranged on the base and further comprises clamping mechanisms symmetrically arranged on the rack and a protection mechanism wrapping the outer side of the clamping mechanisms. The clamping mechanism comprises a mounting block, a round rod fixing assembly arranged in the mounting block and an auxiliary fixing assembly mounted below the round rod fixing assembly, the protection mechanism is arranged, the lower sleeve shell moves downwards to be away from the upper sleeve shell, the telescopic column is gradually stretched, and the folding sleeve is unfolded accordingly; the periphery of the test piece is protected through the folding sleeve and the protection plate, when the test piece is separated from the clamping mechanism, it is guaranteed that the test piece cannot fly out, scraps, residues and the like can fall into the lower sleeve shell to be collected, the site is convenient to clean, the test pieces of three different forms can be connected only through one clamping component, the frequency of replacing the clamping piece can be reduced, and the working efficiency is improved. The application range is wider, the operation is simple, and the detection time is saved.

The utility model discloses a handheld welding gun for ship maintenance, which relates to the technical field of handheld welding guns and comprises a grip, a welding head is arranged on the grip, round blocks are fixedly connected to two sides of the grip, the round blocks are positioned at one end, close to the welding head, of the grip, a square block is rotatably connected to one end, far away from the grip, of each round block, and the square block is fixedly connected with the welding head. A square block is arranged on the welding head, a round groove is formed in the square block in a penetrating mode, a sliding rod is arranged in the round groove in a sliding mode, a square groove is formed in the end, close to the welding head, of the sliding rod, two rolling wheels are arranged in the square groove, the two rolling wheels are distributed on the two sides of the welding head respectively, and the round rod is fixedly connected to the rolling wheels. According to the handheld welding gun for ship maintenance, the sliding rod, the rolling wheels, the square block and other structures are arranged, the two rolling wheels are distributed on the two sides of the welding head correspondingly, the welding head is protected, and the welding head is prevented from being collided in the sliding and moving process of the welding gun; meanwhile, the rollers, the sliding rods, the square blocks and the like form a movable supporting structure, so that the working intensity of operators is reduced.

The utility model relates to the technical field of clamping mechanisms, in particular to a round bar conveying and clamping mechanism. Comprising a rotating seat, the rotating seat is rotationally connected to a rack, the axial direction of the rotating seat is the Y direction, and a through hole is formed in the middle shaft part of the rotating seat; the pneumatic chuck is coaxially connected to the Y-direction end of the rotating seat; the feeding mechanism is located on the Y-direction reverse side of the rotating base, the feeding mechanism comprises a material stacking groove used for stacking the round bar bodies in the vertical direction and a first air cylinder located on the Y-direction reverse side of the bottom of the material stacking groove, and the round bar bodies located at the bottom of the material stacking groove are coaxial with the through hole; the first air cylinder is used for jacking the round bar body located at the bottom of the stacking groove into the through hole. The structure can replace a mechanical arm, and efficient, automatic and low-cost loading and unloading of the round bars are achieved.

The utility model discloses an adjustable tea leaf processing stem sorting machine, it includes: stem sorting machine body, the left and right two ends of stem sorting machine body are provided with step -type material guide plate, feed pipe, the left end fixedly connected with iron discharge nozzle of step -type material guide plate, the front and back two surfaces of stem sorting machine body are provided with round bar, vibration motor, the left end of stem sorting machine body is provided with reinforcing component, and the lower surface of reinforcing component and iron discharge nozzle is contacted, and the right end fixedly connected with two left and right opposite mounting brackets of stem sorting machine body, the upper end fixedly connected with automatic telescopic link of mounting bracket, and the output of two automatic telescopic links is fixedly connected with no. The opposite side of no. One mounting plate and no. Two mounting plates is all fixedly connected with the crash strip of one mounting plate. Through above -mentioned structure, improve the convenience of adjusting tea leaf feed path overall angle, improve the dispersion effect in the stem sorting process of tea leaf, improve stem sorting efficiency.

The invention discloses a round rod machining jig and method, and aims to overcome the defects of serious material loss and low working efficiency due to the fact that a semicircular quartz rod is ground and machined. The device comprises a loading seat, a V-shaped clamping groove is formed in the loading seat, and a round bar is loaded in the clamping groove and is bonded and positioned with the clamping groove. Through the arrangement of the round rod machining jig, half-and-half cutting operation of the quartz round rod is facilitated, one round rod is cut into two semicircular quartz rods in a half-and-half mode, the material utilization rate is high, and compared with flat grinding machining, the working efficiency is improved, and the cost is reduced.

The utility model provides a spraying equipment for housing external wall thermal insulation layer construction relates to building engineering field, the utility model discloses a screw conveyor, the utility model discloses a stirring device is set to when the thermal insulation layer construction of housing external wall, will pour the thermal insulation material into the feed hopper, then starts the drive motor on screw conveyor and drives the screw conveying rod in the inside to convey the thermal insulation material in the feed hopper to the spray pipe, then is sprayed on the external wall of house by the spray gun, makes it form the thermal insulation layer, when the thermal insulation material is placed in the feed hopper, can start servo motor and drive the round bar rotation on the support, then cooperate with the auxiliary mechanism and drive a plurality of recessed blocks and the ball in the feed hopper happen circular motion's while, and back and forth movement knock in the inner wall of feed hopper, make the feed hopper vibrate, effectively avoid the thermal insulation material in the feed hopper and stratification and stratification, guarantee the uniformity of thermal insulation material, help to promote the construction quality and construction efficiency of external wall thermal insulation layer.

The utility model relates to the technical field of electromechanical engineering, in particular to an adjustable anti-seismic support for electromechanical engineering, which comprises a support and a lifting device, a fixing support is mounted on the surface of the support, the lifting device is arranged on the upper surface of the support and comprises a clamping seat, the clamping seat is fixedly connected with the support, a first hole is formed in the surface of the clamping seat, and a second hole is formed in the surface of the clamping seat. The inner wall of a first hole in the surface of the clamping base is rotationally connected with a rocker, the surface of the rocker is fixedly connected with a joint plate, the upper surface of the joint plate is fixedly connected with a round rod, the upper surface of the support is provided with a guide rail, the lower surface of the guide rail is in sliding connection with a sliding block, and the lower surface of the sliding block is rotationally connected with the round rod. The height can be automatically adjusted to be convenient for operation, workers can conveniently carry out maintenance and other operations, the difficulty and strength of maintenance work are reduced, frequent manual height adjustment is not needed, the installation time and the labor cost are greatly saved, the construction progress is accelerated, and the overall installation efficiency is improved.

The present application relates to carbon fiber prepreg processing technical field, specifically to a kind of carbon fiber prepreg automatic packaging integrated machine, it mainly includes, machine body, is provided with straightening mechanism above machine body, straightening mechanism includes extrusion roller one and extrusion roller two above machine body, is provided with brush removal mechanism on one side of extrusion roller one, brush removal mechanism includes brush above extrusion roller one, is provided with dust extraction mechanism on the both sides of brush, dust extraction mechanism includes suction pipe below brush.Through the rotation of rotating plate driven by pivot, rotating plate is moved back and forth by profiled slot with round bar and connecting frame, drives mounting rod, T-shaped block and hinge rod to move back and forth, hinge rod drives moving plate and moving rod to move back and forth, moving rod drives concave plate one and two brushes to move back and forth, two brushes are removed to the dust impurities on the both sides of carbon fiber prepreg surface, so that these unclean substances are not easily sealed with material in packaging, to ensure the quality of final product.

The utility model discloses a disc type clutch which comprises a shell, a driving rotating disc is arranged in the shell, a driving shaft is fixed on one side of the driving rotating disc, round rods are fixed at the other end of the driving rotating disc, a group of first pressing plates are fixed on each round rod, each first pressing plate is provided with a through hole, and a first friction plate is fixed on each first pressing plate. A rotating block is rotationally connected into the shell, an output shaft is connected to the rotating block through a shaft, a set of second pressing plates are fixed to the output shaft, second friction plates are fixed to the second pressing plates, a set of inserting holes are formed in the rotating block, the round rods are inserted into the inserting holes respectively, and a set of compression springs are arranged between the first pressing plate on the rightmost side and the rotating block; a linear bearing is inserted into each round rod, and a connecting plate is fixed between each linear bearing and the inner wall of the shell. The vehicle body is quick in response, less in shaking, smooth in driving, long in service life, capable of being used in a heavy load environment and worthy of popularization and application, and the clutch is not easy to burn down.

The utility model relates to glass transfer vehicle technical field, concretely is a kind of improved optical film-coated glass transfer vehicle, including frame, transverse plate and crossbar subassembly, transverse plate is fixed in the both sides of frame, transverse plate surface is equipped with multiple obliquely arranged sliding slot, crossbar subassembly includes round bar, spring and limit slide block, round bar both ends are inserted into sliding slot, round bar both ends are connected with sliding slot sliding by bearing, the bottom of frame is fixedly installed with multiple bottom support rods, bottom support rod surface is equipped with bottom buffer cotton, bottom buffer cotton upper surface is equipped with locating recess, the utility model is inserted into the upper end wide mouth position of crossbar by crossbar subassembly and oblique sliding slot, enlarge top insertion space and reduce operator alignment difficulty, crossbar surface rubber buffer layer can rotate along with glass sliding direction in insertion process, avoid film and metal component direct contact abrasion, reduce scratch, collision risk in the insertion and transportation process of glass.

This invention discloses a manufacturing process for oriented high-speed steel band saw blade wire, comprising: electric furnace smelting, oriented electroslag remelting, two-stage directional forging, and wire rolling. This invention employs a combination of oriented electroslag remelting and two-stage directional forging steps. The oriented electroslag remelting step, through a combination of water circulation cooling in a crystallizer and bottom water tank extraction, increases the solidification rate to a certain extent, achieving directional grain growth in the oriented high-speed steel strip and refining the carbide microstructure. The two-stage directional forging step, through specific ratio round bar cutting and multiple directional forging processes, eliminates the difference in carbide composition between the surface and core of the high-speed steel ingot. Subsequently, high-speed steel wire can be successfully produced using traditional manufacturing processes, filling a domestic technological gap.

The utility model provides a quartz sand rounding machine, which relates to the technical field of rounding machines, and comprises a grinding assembly, the grinding assembly comprises a motor, the output end of the motor is fixedly provided with a round rod, the outer wall of the round rod is fixedly provided with a connecting plate I, and the outer wall of the connecting plate I is fixedly provided with a breaking hammer. The motor drives the round rod to rotate, the first connecting plate on the round rod is connected with the breaking hammer, the second connecting plate is connected with the ceramic ball through the sliding rod, and the stepped plate is further arranged, so that quartz sand with different diameters can be obtained through multi-layer sieving, and the breaking hammer can preliminarily break and roughly grind the quartz sand in the grinding process; the ceramic balls are finely ground, the stepped plate assists in grinding, through the structures such as the material distributing plate, the first elastic piece, the long rod, the leaking plate and the circular shell, the material distributing plate is matched with the first elastic piece, effective separation can be conducted according to the granularity of quartz sand, and accurate screening is further achieved through the circular groove leaking plates with different diameters.

The utility model discloses a ring piece rapid roundness correction device which comprises a base, a first round rod arranged on the base, a first sliding sleeve sleeved on the first round rod, a height adjusting mechanism arranged on the first sliding sleeve, a second sliding sleeve fixed on one side of the first sliding sleeve, a second round rod arranged in the second sliding sleeve in a penetrating mode, and a third sliding sleeve sleeved on the other end of the second round rod. A fourth sliding sleeve is fixed to one side of the third sliding sleeve, the lower end of a third round rod penetrates into the fourth sliding sleeve, a transverse sleeve is fixed to the top end of the third round rod, the rear end of a fourth round rod penetrates into the transverse sleeve, a laser base is hinged to the front end of the fourth round rod, and the laser base and the fourth round rod can be fixed after a screw on a hinge point of the laser base is tightened. And a large circular ring laser is fixed on the laser seat. The rapid roundness correction device for the ring piece can project a standard large circular ring, and can match the large circular ring to the inner ring and the outer ring of the ring piece by adjusting the height and the position of the large circular ring laser, so that the roundness of the ring piece can be rapidly corrected by referring to the standard large circular ring.

The invention relates to the technical field of round wood rolling, and discloses a speed reduction transmission distribution system and method of a rod and wire three-roller mill. The system comprises an integrated speed reduction distribution box, two 30-degree bevel transmission boxes and five couplings, in the integrated speed reduction distribution box, single-path input power is synchronously distributed into three paths of output through a gear set, the included angle between every two adjacent output shafts is 30 degrees, and after the directions of the bevel transmission boxes are converted, the included angle between the three paths of output axes is 120 degrees, and the three paths of output axes correspond to an input shaft of a three-high rod and wire mill rack. A traditional overall module type and external reduction gearbox structure is abandoned, transmission structure simplification, cost reduction and convenient maintenance are achieved through collaborative optimization of parts, meanwhile, transmission efficiency and stability are improved, the problems that in the prior art, the structure is complex, and manufacturing and assembling difficulty is large are solved, and the power transmission device is suitable for power transmission scenes of various rod and wire three-roller mills.